Tube-number record
380
0 archive entries
380 is a tube type in the TubeDatabase archive (class: Full-Wave Rectifier). Recorded specifications: construction Rectifier, socket 4-pin, and maximum plate voltage 350 V. The archive does not yet hold a photographed example of this type.
ClassFull-Wave Rectifier
Base4-pin
Construction
Primary TypeRectifier
Rectifier TypeFull-wave
EnvelopeGlass
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage350 V
Cathode Current125 mA
Audio Performance
Key Features
- Filamentary Cathode
- Full-wave
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Full-wave rectifier | 350 V | — | — | — | 125 mA |
Application Notes
The 380 (equivalent to the 80) is a full-wave rectifier designed for use in power supplies of radio receivers.
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